diff --git a/django_q/cluster.py b/django_q/cluster.py
index f0d8d68..343c5ca 100644
--- a/django_q/cluster.py
+++ b/django_q/cluster.py
@@ -188,6 +188,7 @@ class Sentinel(object):
     def spawn_cluster(self):
         self.pool = []
         Stat(self).save()
+        db.connection.close()
         # spawn worker pool
         for __ in range(self.pool_size):
             self.spawn_worker()